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   <title>Jet console</title>
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<h2>
<font face="Arial Alternative"><font color="#3333FF">Jet console</font></font></h2>
Unless the Jet.batch parameter is set in the configuration
file, Jet will create a console window on start-up.&nbsp; The console provide
three functions:</font>
<ul>
<li>
<b>sentence entry</b>:&nbsp; you can enter a sentence
in the space at the bottom of the window;&nbsp; typing a return causes
the sentence to be processed by Jet, using the processSentence script</font></li>

<li>
<b>system output</b>:&nbsp; most Jet output, including
traces of parsing and pattern application, appear in the main window&nbsp;
(in batch mode, this output is sent to standard output)</font></li>

<li>
<b>menu control</b>:&nbsp; various Jet operations
can be performed using the console menus</font></li>
</ul>
The menus provide the following functions:
<ul>
<li>
<b>file menu</b>:&nbsp; allows you to reload the grammar, lexicon, or pattern
file;&nbsp; this is convenient if you want to edit one of these files and
retry Jet without restarting the system.&nbsp; The file names are those
specified in the configuration file;&nbsp; they cannot be changed through
the menu.&nbsp; This menu also has an Exit item to terminate Jet.</li>

<li>
<b>parser menu</b>:&nbsp; allows you to choose one of the 4 parsers (top-down
recognizer, top-down parser, bottom-up parser, and top-down chart parser);&nbsp;
turn on and off the parser trace; and display one of the parse trees in
graphical form</li>

<li>
<b>patterns menu</b>:&nbsp; allows you to display the original patterns,
or the finite-state graph generated from the pattern sets;&nbsp; allows
you to trace individual patterns and pattern application</li>

<li>
<b>tools menu</b>: lets you<br>
<ul>
<li>
run the scoring program on two SGML-marked files
<li>
run the concept editor
<li>
process a set of documents using the <tt>processDocuments</tt> script
<li>
close all the Jet windows
<li>
change the colors associated with annotations in Document displays
</ul>
</ul>

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